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irina [24]
3 years ago
9

Qué pasa si pones incorrectamente los números en una suma

Mathematics
1 answer:
Kitty [74]3 years ago
8 0
La suma estaria mal, pero dijamos lo tienes asi en tu libro 14+7+8, y tu pones 8+14+7 estaria bien porque el orden no importa.
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A home pregnancy test is not always accurate. suppose the probability that the test indicates that a woman is pregnant when she
Gnom [1K]
Set Events:
T=tests positive~T=tests negativeP=subject is pregnant~P=subject is not pregnant
We are givenP(T n ~P)=0.02P(~T n P)=0.03P(P)=0.7
recall by definition of conditional probabilityP(A|B)=P(A n B)/P(B)

Need to find P(P|~T)
First step: make a contingency diagram of probabilities (intersection, n)
          P       ~P       sum 
T       0.67   0.02     0.69=P(T) 
~T     0.03   0.28     0.31=P(~T) 
sum   0.70  0.30     1.00
      =P(P)  =P(~P)

therefore
P(P|~T)=P(P n ~T)/P(~T)=0.03/0.31   [ both read off the contingency table ]
=0.0968

4 0
3 years ago
Tell whether the angles are complementary or supplementary. Then find the value of x.
oksano4ka [1.4K]

Answer:

1) A

2) x = 60

Step-by-step explanation:

1) A cuz complementary these two angles add up to be 90 degrees

2) 2x - 30 = 90

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x = 60

7 0
3 years ago
Read 2 more answers
McKenna wants to divide 48.6 by 0.7. In order to estimate the quotient, which is the best expression to use?
Natasha_Volkova [10]

Answer:

Option D is the Answer

Step-by-step explanation:

Given : Benni wants to divide 48.6 by 0.7.

To find : In order to estimate the quotient, which is the best expression to use?

Solution :

In order to estimate i.e. an approximate calculation we round the numbers,

48.6 as tenth place is > 5 then it round completely

0.7 as tenth place is > 5 then it round completely

So the estimated expression is given by,

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6 0
3 years ago
Read 2 more answers
Does anybody know it part 2
makvit [3.9K]

Answer:

x = 33

Step-by-step explanation:

(x + 13) + (4x + 2) = 180

x + 13 + 4x + 2 = 180

5x + 15 = 180

5x = 180 - 15

5x = 165

x = 165/5

x = 33

Check:

(x + 13) + (4x + 2) = 180

(33 + 13) + 4(33) + 2 = 180

46 + 132 + 2 = 180

46 + 134 = 180

4 0
3 years ago
Hi ! if you come across this can you please help me out?:) tysm
Umnica [9.8K]

Answer: y=4x-2

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Since you are looking for y-intercept, the point has to be on the vertical line and the slope is 4 so it has to go up 4 to the right 1

7 0
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